Class: KantanSgf::Sgf

Inherits:
Object
  • Object
show all
Defined in:
lib/kantan-sgf/sgf.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file) ⇒ Sgf

Returns a new instance of Sgf.



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# File 'lib/kantan-sgf/sgf.rb', line 13

def initialize(file)
  @file = file
  @data = nil
  @properties = {}

  @symbol_table = {}
  a = 'a'
  for i in 0..18
    @symbol_table.store(a, i)
    a = a.succ
  end

  @move_list = []
end

Instance Attribute Details

#move_list ⇒ Object

Returns the value of attribute move_list.



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# File 'lib/kantan-sgf/sgf.rb', line 11

def move_list
  @move_list
end

#properties ⇒ Object

Returns the value of attribute properties.



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# File 'lib/kantan-sgf/sgf.rb', line 11

def properties
  @properties
end

Instance Method Details

#board_size ⇒ Object 



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# File 'lib/kantan-sgf/sgf.rb', line 87

def board_size
  return @properties.include?("SZ") ? @properties["SZ"].to_i : 19
end

#game_date ⇒ Object 



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# File 'lib/kantan-sgf/sgf.rb', line 107

def game_date
  return @properties["DT"]
end

#game_event ⇒ Object 



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# File 'lib/kantan-sgf/sgf.rb', line 111

def game_event
  return @properties["EV"]
end

#game_name ⇒ Object 



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# File 'lib/kantan-sgf/sgf.rb', line 127

def game_name
  return @properties["GN"]
end

#game_place ⇒ Object 



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# File 'lib/kantan-sgf/sgf.rb', line 119

def game_place
  return @properties["PC"]
end

#game_round ⇒ Object 



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# File 'lib/kantan-sgf/sgf.rb', line 115

def game_round
  return @properties["RO"]
end

#game_rules ⇒ Object 



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# File 'lib/kantan-sgf/sgf.rb', line 123

def game_rules
  return @properties["RU"]
end

#handicap ⇒ Object 



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# File 'lib/kantan-sgf/sgf.rb', line 99

def handicap
  return @properties["HA"]
end

#komi ⇒ Object 



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# File 'lib/kantan-sgf/sgf.rb', line 91

def komi
  return @properties["KM"]
end

#parse ⇒ Object 



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# File 'lib/kantan-sgf/sgf.rb', line 28

def parse
  f = File.open(@file)
  @data = f.read
  f.close
  
  @sgf = SgfGrammarParser.new
  results = @sgf.parse(@data)
  raise "Parsing failed due to [#{@sgf.failure_reason}]." if results.nil?
  
  # Pull the data out of the Treetop grammar parser
  data = results.value
  
  # Header info
  header = data.shift
  header.each do |chunk|
    @properties.store(chunk[:property], chunk[:data])
  end
  # Footer info
  footer = data.pop
  footer.each do |chunk|
    @properties.store(chunk[:property], chunk[:data])
  end
  # Moves
  data.each do |chunk|
    move = {}
    chunk.each do |info|
      case info[:property]
        when 'B', 'W'
          move[:color] = info[:property]
          if !info[:data].empty?
            move[:x] = @symbol_table[info[:data][0].chr]
            move[:y] = @symbol_table[info[:data][1].chr]
          end
        when 'BL', 'WL'
          move[:time] = info[:data]
        when 'OB', 'OW'
          move[:ot_stones] = info[:data]
      end
    end
    @move_list << move
  end
end

#player_black ⇒ Object 



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# File 'lib/kantan-sgf/sgf.rb', line 71

def player_black
  return @properties["PB"]
end

#player_time ⇒ Object 



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# File 'lib/kantan-sgf/sgf.rb', line 103

def player_time
  return @properties["TM"]
end

#player_white ⇒ Object 



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# File 'lib/kantan-sgf/sgf.rb', line 75

def player_white
  return @properties["PW"]
end

#rank_black ⇒ Object 



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# File 'lib/kantan-sgf/sgf.rb', line 79

def rank_black
  return @properties["BR"]
end

#rank_white ⇒ Object 



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# File 'lib/kantan-sgf/sgf.rb', line 83

def rank_white
  return @properties["WR"]
end

#result ⇒ Object 



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# File 'lib/kantan-sgf/sgf.rb', line 95

def result
  return @properties["RE"]
end